ul,
li {
  padding: 0;
  margin: 0;
}
li {
  list-style: none;
}
img {
  display: block;
  border: none;
}
.slider {
  position: relative;
  width: 183px;
  height: 135px;
  overflow: hidden;
  margin-top: 20px;
  margin-left: 20px;
}
.sliderUl {
  height: 135px;
  position: absolute;
  top: 20px;
  left: 4px;
  
}
.sliderUl li {
  width: 178px;
  height: 100px;
  float: left;
  margin-left: px;
  
}
.sliderUl li a{
  float: left;
  margin-left: 5px;
  margin-top: 5px;
  /* margin-top: 12px; */
}
.sliderUl img {
  width: 80px; 
  height: 40px;
}
.ars span {
  position: relative;
  width: 10px;
  height: 10px;
  /* background-color: rgb(94, 91, 91); */
  text-align: center;
  line-height: 50px;
  font-size: 15px;
  color: rgb(119, 115, 115);
  opacity: 0.5;
  cursor: pointer;
  top: 41px;
  /* margin-top: -25px; */
}
.ars span:first-child {
  left: -3px;
}
.ars span:last-child {
  right: -155px;
}